Fig. 1: Scheme and structure of xylene isomers and ZU-61. | Nature Communications

Fig. 1: Scheme and structure of xylene isomers and ZU-61.

From: Efficient separation of xylene isomers by a guest-responsive metal–organic framework with rotational anionic sites

Fig. 1: Scheme and structure of xylene isomers and ZU-61.

a Electron density (e/au3) of each xylene isomers. b Schematic illustration of the porous adsorbent with “Lewis basic-binding sites and rotational flexibility”. c Structure of ZU-61 with rotational ligand of NbOF52− anion and bipyridine (d). e Thermogravimetric analysis results of ZU-61, SIFSIX-1-Cu, and ZU-61-Cu.

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